2f98169539
* Signer RAW confirmations * Returning address book as eth_accounts * UI support for in-browser signing * Post review fixes * Adding new methods to jsonrpc * Fixing eth_accounts * Deterministic accounts ordering
123 lines
3.6 KiB
JavaScript
123 lines
3.6 KiB
JavaScript
// Copyright 2015, 2016 Ethcore (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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import * as actions from './signerActions';
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import { inHex } from '../../api/format/input';
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import { Wallet } from '../../util/wallet';
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export default class SignerMiddleware {
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constructor (api) {
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this._api = api;
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}
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toMiddleware () {
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return (store) => (next) => (action) => {
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let delegate;
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switch (action.type) {
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case 'signerStartConfirmRequest':
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delegate = this.onConfirmStart;
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break;
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case 'signerStartRejectRequest':
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delegate = this.onRejectStart;
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break;
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default:
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next(action);
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return;
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}
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if (!delegate) {
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return;
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}
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next(action);
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delegate(store, action);
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};
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}
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onConfirmStart = (store, action) => {
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const { id, password, wallet, payload } = action.payload;
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const handlePromise = promise => {
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promise
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.then((txHash) => {
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console.log('confirmRequest', id, txHash);
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if (!txHash) {
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store.dispatch(actions.errorConfirmRequest({ id, err: 'Unable to confirm.' }));
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return;
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}
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store.dispatch(actions.successConfirmRequest({ id, txHash }));
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})
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.catch((error) => {
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console.error('confirmRequest', id, error);
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store.dispatch(actions.errorConfirmRequest({ id, err: error.message }));
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});
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};
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// Sign request in-browser
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if (wallet && payload.transaction) {
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const { transaction } = payload;
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(transaction.nonce.isZero()
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? this._api.parity.nextNonce(transaction.from)
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: Promise.resolve(transaction.nonce)
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).then(nonce => {
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let txData = {
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to: inHex(transaction.to),
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nonce: inHex(transaction.nonce.isZero() ? nonce : transaction.nonce),
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gasPrice: inHex(transaction.gasPrice),
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gasLimit: inHex(transaction.gas),
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value: inHex(transaction.value),
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data: inHex(transaction.data)
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};
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try {
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// NOTE: Derving the key takes significant amount of time,
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// make sure to display some kind of "in-progress" state.
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const signer = Wallet.fromJson(wallet, password);
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const rawTx = signer.signTransaction(txData);
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handlePromise(this._api.signer.confirmRequestRaw(id, rawTx));
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} catch (error) {
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console.error(error);
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store.dispatch(actions.errorConfirmRequest({ id, err: error.message }));
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}
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});
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return;
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}
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handlePromise(this._api.signer.confirmRequest(id, {}, password));
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}
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onRejectStart = (store, action) => {
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const id = action.payload;
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this._api.signer
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.rejectRequest(id)
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.then(() => {
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store.dispatch(actions.successRejectRequest({ id }));
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})
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.catch((error) => {
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console.error('rejectRequest', id, error);
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store.dispatch(actions.errorRejectRequest({ id, err: error.message }));
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});
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}
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}
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